<?php

class Kal_Timetables_Model_Mysql4_Timetables extends Mage_Core_Model_Mysql4_Abstract
{
    public function _construct()
    {    
        // Note that the timetables_id refers to the key field in your database table.
        $this->_init('timetables/timetables', 'post_id');
    }
	
	protected function _afterSave(Mage_Core_Model_Abstract $object)
    {
		$condition = $this->_getWriteAdapter()->quoteInto('post_id = ?', $object->getId());
        $this->_getWriteAdapter()->delete($this->getTable('store'), $condition);

		if (!$object->getData('stores'))
		{
			$storeArray = array();
            $storeArray['post_id'] = $object->getId();
            $storeArray['store_id'] = '0';
            $this->_getWriteAdapter()->insert($this->getTable('store'), $storeArray);
		}
		else
		{
			foreach ((array)$object->getData('stores') as $store) {
				$storeArray = array();
				$storeArray['post_id'] = $object->getId();
				$storeArray['store_id'] = $store;
				$this->_getWriteAdapter()->insert($this->getTable('store'), $storeArray);
			}
		}

        return parent::_afterSave($object);
    }
	
	/**
     *
     * @param Mage_Core_Model_Abstract $object
     */
    protected function _afterLoad(Mage_Core_Model_Abstract $object)
    {
        $select = $this->_getReadAdapter()->select()
            ->from($this->getTable('store'))
            ->where('post_id = ?', $object->getId());

        if ($data = $this->_getReadAdapter()->fetchAll($select)) {
            $storesArray = array();
            foreach ($data as $row) {
                $storesArray[] = $row['store_id'];
            }
            $object->setData('store_id', $storesArray);
        }
		
		$select = $this->_getReadAdapter()->select()
            ->from($this->getTable('post_cat'))
            ->where('post_id = ?', $object->getId());

        if ($data = $this->_getReadAdapter()->fetchAll($select)) {
            $catsArray = array();
            foreach ($data as $row) {
                $catsArray[] = $row['cat_id'];
            }
            $object->setData('cat_id', $catsArray);
        }

        return parent::_afterLoad($object);
    }

    /**
     * Retrieve select object for load object data
     *
     * @param string $field
     * @param mixed $value
     * @return Zend_Db_Select
     */
    protected function _getLoadSelect($field, $value, $object)
    {
        $select = parent::_getLoadSelect($field, $value, $object);

        if ($object->getStoreId()) {
            $select->join(array('cps' => $this->getTable('store')), $this->getMainTable().'.post_id = `cps`.post_id')
                    ->where('`cps`.store_id in (0, ?) ', $object->getStoreId())
                    ->order('store_id DESC')
                    ->limit(1);
        }
        return $select;
    }
}